diff --git a/jack-sys/Cargo.toml b/jack-sys/Cargo.toml
index 205169308..568b7dc83 100644
--- a/jack-sys/Cargo.toml
+++ b/jack-sys/Cargo.toml
@@ -9,5 +9,5 @@ license = "MIT OR Apache-2.0"
 
 [dependencies]
 libc = "0.2"
-libloading = "0.4.0"
-lazy_static = "1.0"
+libloading = "0.6"
+lazy_static = "1.4"